Links between Pollen, Atopy and the Asthma Epidemic.
Int Arch Allergy Immunol. 2007 May 29
Pollen allergy is found in 80-90% of children with asthma and 40-50% of adult-onset asthmatics. Despite this association, a causal relationship between the pollen allergy and asthma has not been clearly established.
Pollen-producing plants (weeds and trees) in Omaha, Nebraska
Interactive Allergy Map by Greer Labs. Click your state to find region-specific, common airborne allergens there.
Pictured: The irritating grains of pollen that look like beautiful works of art under the microscope. Daily Mail, 2012.